Fait général: 1570 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1570 is an unremarkable number.
Culture générale: 1570 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: April 18th is the day in 1961 that the Vienna Convention on Diplomatic Relations, a cornerstone of modern international relations, is adopted.